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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773039173816421 6.2772e-08  
a 3.035579187357236 4.2162e-08 AU
q 2.497359105916617 1.9728e-07 AU
i 4.4903437507871 8.762e-06 deg
node 14.26566449542779 9.8843e-05 deg
peri 65.99526899777793 0.00010235 deg
M 316.0538704428479 3.1616e-05 deg
tp 2457036.319062031695
(2015-Jan-13.81906203)
0.00017248 JED
period 1931.793839113964
5.29
4.0247e-05
1.102e-07
d
yr
n .1863552894262865 3.8825e-09 deg/d
Q 3.573799268797856 4.9637e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7261 days (19.88 yr)  
   first obs. used      1994-01-17  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53934  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 12:47:51  

Additional Information
 Earth MOID = 1.51637 AU 
 T_jup = 3.213 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO267920  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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